SimpleLogin.java

/*Copyright 2012 FilmTit authors - Karel Bílek, Josef Čech, Joachim Daiber, Jindřich Libovický, Rudolf Rosa, Jan Václ

This file is part of FilmTit.

FilmTit is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2.0 of the License, or
(at your option) any later version.

FilmTit is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with FilmTit.  If not, see <http://www.gnu.org/licenses/>.*/

package cz.filmtit.client.callables;
import cz.filmtit.client.Callable;
import cz.filmtit.client.Gui;
import cz.filmtit.client.dialogs.Dialog;
import cz.filmtit.client.dialogs.LoginDialog;
import cz.filmtit.share.SessionResponse;

/**
 * Try to log in the user with the given username and password.
 * Sets the logged in state accordingly, informing the user about errors.
 * @author rur
 *
 */
public class SimpleLogin extends Callable<SessionResponse> {
	
	// parameters
	private String username;
	private String password;
	private Dialog loginDialog;

    @Override
    public String getName() {
        return getNameWithParameters(username);
    }

    @Override
    public void onSuccessAfterLog(SessionResponse response) {
    	if (response == null) {
    		Gui.log("ERROR: simple login didn't succeed - incorrect username or password.");
    		if (loginDialog != null) {
        		loginDialog.reactivateWithErrorMessage("Incorrect username or password - please try again.");            			
    		} else {
    			// this is weird, means that the password was set just before calling that, this shouldn't happen
    			new LoginDialog(username);
    		}
    	} else {
    		Gui.setSessionID(response.sessionID);
    		Gui.log("logged in as " + username + " with session id " + response.sessionID);
    		if (loginDialog != null) {
    			loginDialog.close();
    		}            		
    		Gui.logged_in(response.userWithoutDocs);
    	}
    }

    @Override
    protected void onFinalError(String message) {
        String fullMessage = "There was an error with logging in. " +
    		"Please try again. " +
            "If problems persist, try contacting the administrators. " +
            "Error message from the server: " + message;
    	if (loginDialog != null) {
    		loginDialog.reactivateWithErrorMessage(fullMessage);
    	} else {
    		new LoginDialog(username, fullMessage);
    	}
    }
    
    /**
	 * Try to log in the user with the given username and password.
	 * Sets the logged in state accordingly, informing the user about errors.
     * @param dialog can be null if we are "sure" the password is OK (i.e. after setting it)
     */
    public SimpleLogin(String username, String password, Dialog dialog) {
		super();
		
		this.username = username;
		this.password = password;
		this.loginDialog = dialog;

        enqueue();
	}

	@Override protected void call() {
        filmTitService.simpleLogin(username, password, this);
	}
}